In this interactive object, learners solve a series-parallel DC circuit analysis problem. Immediate step-by-step feedback is given.

In this interactive object, learners use the Pythagorean Theorem to calculate forces.

In this interactive object, learners review the CDR and work nine problems. Immediate feedback is given.

In this animated object, learners observe the voltage on a capacitor at various time constants when it either charges or discharges. Students then answer questions in the categories of Identify, Compare, and Compute.

In this animated and interactive object, learners examine how a variable voltage is obtained from a variable resistor that is wired as a potentiometer across a fixed DC power supply.

In this learning activity you'll review various types of common components used in electronics and view their schematic diagram symbols.

In this learning activity you'll review the operation and schematic symbols of various types of switches and push buttons used for electronic circuits.

In this animated activity, students examine the difference between opens and shorts in an electrical circuit. A brief quiz completes the object.

In this animated object, learners examine the operation of various circuits that are internal to the inductive proximity sensor.